We never sell your data to third parties
Timken 99550 is a single-row tapered roller bearing cone (inner ring and roller assembly) for industrial applications. This component is part of the Timken 4-8 inch outside diameter (OD) size class and is designed to be paired with a matching cup to form a complete bearing set capable of handling combined radial and axial loads. Typical applications include gearboxes, conveyors, and industrial machinery where precise shaft location and high load capacity are required.
MODEL 99550
$925.59 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable:No
156 mm Cone part number
99550 Cone width:2.6250 in
170 mm Cone frontface backing diameter
6.14 in
4.8 mm Cone backface backing diameter
6.69 in
66.675 mm Design units
Imperial Heat generation factor (rib-roller end):73.5 Heat generation factor (roller-raceway):555.5 Series:99000 Static radial rating:231000 lbf 1030000 N d - Cone Bore:5.5000 in
8.6 mm Cage-cone frontface clearance
0.19 in
Cage type
Stamped Steel Cage-cone backface clearance:0.34 in
Cage Type
Stamped Steel
Cage-Cone Backface Clearance
0.34 in
Cage-Cone Frontface Clearance
0.19 in
Cone Backface 'To Clear' Radius
0.280 in
Cone Backface Backing Diameter
6.69 in
Cone Bore
5 1/2 in
Cone Frontface Backing Diameter
6.14 in
Cone Part Number
99550
Cone Width
2.6250 in
Design Units
Imperial
Dynamic Radial Rating (1 million revolutions)
148000 lbf
Dynamic Radial Rating (90 million revolutions)
38500 lbf
Dynamic Radial Rating (Two-Row, 1 million revolutions)
258000 lbf
Dynamic Radial Rating (Two-Row, 90 million revolutions)
67000 lbf
Effective Center Location
-0.48 in -12.2 mm
Factor
1.43
Geometry Factor
0.146
Heat Generation Factor (Rib-Roller End)
73.5
Heat Generation Factor (Roller-Raceway)
555.5
Series
99000
Static Radial Rating
231000 lbf
This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read moreHow do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more